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gcanyontoday at 12:27 AM1 replyview on HN

For anyone working on a Mac, I highly recommend Sim Daltonism. It gives you an interactive display on your Mac that you can place over any section of your screen to simulate what it looks like to a colorblind person. It simulates several different types of colorblindness. I have a friend who is colorblind, and to the best of our mutual understanding, it is accurate.

https://apps.apple.com/us/app/sim-daltonism/id693112260


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y1n0today at 1:21 AM

Thanks for the recommendation. I tried it out as a colorblind person. I'm always looking for one of two things -- tools that will help me differentiate stuff I see on graphs and charts (endlessly frustrating) and tools that will let me show other people how I see.

My problem is that I've never found a colorblind emulator that matches my colorblindness. I'm just red-green deficient, so nothing exotic.

My test for these emulators is whether I see a difference between the original unmodified image and the emulated colorblind image, and I always do. Even with this one. So that tells me that the emulation doesn't really match what I personally see or I wouldn't be able to tell the difference.

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